From owner-svn-src-head@freebsd.org Wed Aug 31 13:50:20 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DA2CABC9F1A; Wed, 31 Aug 2016 13:50:20 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 987B2C0; Wed, 31 Aug 2016 13:50:20 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1bf5u7-000NCv-1W; Wed, 31 Aug 2016 16:50:11 +0300 Date: Wed, 31 Aug 2016 16:50:11 +0300 From: Slawa Olhovchenkov To: Adrian Chadd Cc: Bruce Simpson , Ryan Stone , "svn-src-head@freebsd.org" , Ryan Stone , "src-committers@freebsd.org" , "svn-src-all@freebsd.org" Subject: Re: svn commit: r304436 - in head: . sys/netinet Message-ID: <20160831135010.GV88122@zxy.spb.ru> References: <20160826151324.GF88122@zxy.spb.ru> <20160826213613.GH88122@zxy.spb.ru> <20160826220255.GI88122@zxy.spb.ru> <20160827004617.GJ88122@zxy.spb.ru> <20160828133012.GN88122@zxy.spb.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Aug 2016 13:50:21 -0000 On Sun, Aug 28, 2016 at 10:20:08AM -0700, Adrian Chadd wrote: > Then the rest of the big entries are just a combination of rtentry > locking, tcp timer locking, zfs locking and madvise locking. There's > some sowakeup locking there as well, from the socket producer/consumer > locking. On some high network speed I am see like kevent's congestion: 22.79% [89522] __mtx_lock_sleep @ /boot/kernel.VSTREAM/kernel 82.99% [74295] knote 99.97% [74269] sowakeup 99.07% [73581] tcp_do_segment 100.0% [73581] tcp_input 100.0% [73581] ip_input 100.0% [73581] netisr_dispatch_src 100.0% [73581] ether_demux 100.0% [73581] ether_nh_input 100.0% [73581] netisr_dispatch_src 68.88% [50683] t4_eth_rx @ /boot/kernel.VSTREAM/if_cxgbe.ko 100.0% [50683] service_iq 100.0% [50683] t4_intr 100.0% [50683] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel 100.0% [50683] ithread_loop 100.0% [50683] fork_exit 31.12% [22898] tcp_lro_flush 97.30% [22280] service_iq @ /boot/kernel.VSTREAM/if_cxgbe.ko 100.0% [22280] t4_intr 100.0% [22280] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel 100.0% [22280] ithread_loop 100.0% [22280] fork_exit 01.55% [354] tcp_lro_flush_inactive 100.0% [354] service_iq @ /boot/kernel.VSTREAM/if_cxgbe.ko 100.0% [354] t4_intr 100.0% [354] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel 100.0% [354] ithread_loop 01.15% [264] tcp_lro_rx 100.0% [264] t4_eth_rx @ /boot/kernel.VSTREAM/if_cxgbe.ko 100.0% [264] service_iq 100.0% [264] t4_intr 100.0% [264] intr_event_execute_handlers @ /boot/kernel.VSTREAM/kernel Can I do some recomendation?